diff options
author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2008-09-03 20:36:21 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2008-09-03 20:36:21 +0000 |
commit | 40e7ae22964b5e89a5294acfb95e3f7aae470c1d (patch) | |
tree | 1a1cf03679407f7c2c5a1a0c2c15e1be7e85f748 /c/src/lib/libbsp/powerpc/score603e/irq/irq.h | |
parent | 2008-09-03 Joel Sherrill <joel.sherrill@OARcorp.com> (diff) | |
download | rtems-40e7ae22964b5e89a5294acfb95e3f7aae470c1d.tar.bz2 |
2008-09-03 Joel Sherrill <joel.sherrill@OARcorp.com>
* Makefile.am, README, configure.ac, console/85c30.c,
console/console.c, console/consolebsp.h, include/bsp.h,
include/gen2.h, irq/FPGA.c, irq/irq.c, irq/irq.h, irq/irq_init.c,
start/start.S, startup/bspstart.c, startup/genpvec.c,
startup/linkcmds, timer/timer.c, tod/tod.c: Initiate update and
testing. Runs hello but does not run ticker yet.
Diffstat (limited to 'c/src/lib/libbsp/powerpc/score603e/irq/irq.h')
-rw-r--r-- | c/src/lib/libbsp/powerpc/score603e/irq/irq.h | 141 |
1 files changed, 109 insertions, 32 deletions
diff --git a/c/src/lib/libbsp/powerpc/score603e/irq/irq.h b/c/src/lib/libbsp/powerpc/score603e/irq/irq.h index fb9704e927..0511c632c2 100644 --- a/c/src/lib/libbsp/powerpc/score603e/irq/irq.h +++ b/c/src/lib/libbsp/powerpc/score603e/irq/irq.h @@ -18,8 +18,8 @@ * $Id$ */ -#ifndef LIBBSP_POWERPC_IRQ_H -#define LIBBSP_POWERPC_IRQ_H +#ifndef BSP_POWERPC_IRQ_H +#define BSP_POWERPC_IRQ_H #define BSP_SHARED_HANDLER_SUPPORT 1 #include <rtems/irq.h> @@ -65,54 +65,131 @@ extern "C" { #endif /* - * Symbolic IRQ names and related definitions + * rtems_irq_number Definitions */ - /* - * ISA IRQ handler related definitions - */ +/* + * ISA IRQ handler related definitions + */ #define BSP_ISA_IRQ_NUMBER (16) #define BSP_ISA_IRQ_LOWEST_OFFSET (0) -#define BSP_ISA_IRQ_MAX_OFFSET (BSP_ISA_IRQ_LOWEST_OFFSET+BSP_ISA_IRQ_NUMBER-1) - /* - * PCI IRQ handlers related definitions - * CAUTION : BSP_PCI_IRQ_LOWEST_OFFSET should be equal to OPENPIC_VEC_SOURCE - */ +#define BSP_ISA_IRQ_MAX_OFFSET (BSP_ISA_IRQ_LOWEST_OFFSET + BSP_ISA_IRQ_NUMBER - 1) +/* + * PCI IRQ handlers related definitions + * CAUTION : BSP_PCI_IRQ_LOWEST_OFFSET should be equal to OPENPIC_VEC_SOURCE + */ #define BSP_PCI_IRQ_NUMBER (16) #define BSP_PCI_IRQ_LOWEST_OFFSET (BSP_ISA_IRQ_NUMBER) -#define BSP_PCI_IRQ_MAX_OFFSET (BSP_PCI_IRQ_LOWEST_OFFSET+BSP_PCI_IRQ_NUMBER-1) - /* - * PowerPC exceptions handled as interrupt where an RTEMS managed interrupt - * handler might be connected - */ +#define BSP_PCI_IRQ_MAX_OFFSET (BSP_PCI_IRQ_LOWEST_OFFSET + BSP_PCI_IRQ_NUMBER - 1) +/* + * PowerPC exceptions handled as interrupt where an RTEMS managed interrupt + * handler might be connected + */ #define BSP_PROCESSOR_IRQ_NUMBER (1) #define BSP_PROCESSOR_IRQ_LOWEST_OFFSET (BSP_PCI_IRQ_MAX_OFFSET + 1) -#define BSP_PROCESSOR_IRQ_MAX_OFFSET (BSP_PROCESSOR_IRQ_LOWEST_OFFSET+BSP_PROCESSOR_IRQ_NUMBER-1) - /* Misc vectors for OPENPIC irqs (IPI, timers) - */ +#define BSP_PROCESSOR_IRQ_MAX_OFFSET (BSP_PROCESSOR_IRQ_LOWEST_OFFSET + BSP_PROCESSOR_IRQ_NUMBER - 1) +/* Misc vectors for OPENPIC irqs (IPI, timers) + */ #define BSP_MISC_IRQ_NUMBER (8) #define BSP_MISC_IRQ_LOWEST_OFFSET (BSP_PROCESSOR_IRQ_MAX_OFFSET + 1) -#define BSP_MISC_IRQ_MAX_OFFSET (BSP_MISC_IRQ_LOWEST_OFFSET+BSP_MISC_IRQ_NUMBER-1) - /* - * Summary - */ +#define BSP_MISC_IRQ_MAX_OFFSET (BSP_MISC_IRQ_LOWEST_OFFSET + BSP_MISC_IRQ_NUMBER - 1) +/* + * Summary + */ #define BSP_IRQ_NUMBER (BSP_MISC_IRQ_MAX_OFFSET + 1) #define BSP_LOWEST_OFFSET (BSP_ISA_IRQ_LOWEST_OFFSET) -#define BSP_MAX_OFFSET (BSP_MISC_IRQ_MAX_OFFSET) - /* - * Some PCI IRQ symbolic name definition - */ +#define BSP_MAX_OFFSET (BSP_MISC_IRQ_MAX_OFFSET) +/* + * Some ISA IRQ symbolic name definition + */ +#define BSP_ISA_PERIODIC_TIMER (0) +#define BSP_ISA_KEYBOARD (1) +#define BSP_ISA_UART_COM2_IRQ (3) +#define BSP_ISA_UART_COM1_IRQ (4) +#define BSP_ISA_RT_TIMER1 (8) +#define BSP_ISA_RT_TIMER3 (10) +/* + * Some PCI IRQ symbolic name definition + */ #define BSP_PCI_IRQ0 (BSP_PCI_IRQ_LOWEST_OFFSET) +#define BSP_PCI_ISA_BRIDGE_IRQ (BSP_PCI_IRQ0) + +#if defined(mvme2100) +#define BSP_DEC21143_IRQ (BSP_PCI_IRQ_LOWEST_OFFSET + 1) +#define BSP_PMC_PCMIP_TYPE1_SLOT0_IRQ (BSP_PCI_IRQ_LOWEST_OFFSET + 2) +#define BSP_PCMIP_TYPE1_SLOT1_IRQ (BSP_PCI_IRQ_LOWEST_OFFSET + 3) +#define BSP_PCMIP_TYPE2_SLOT0_IRQ (BSP_PCI_IRQ_LOWEST_OFFSET + 4) +#define BSP_PCMIP_TYPE2_SLOT1_IRQ (BSP_PCI_IRQ_LOWEST_OFFSET + 5) +#define BSP_PCI_INTA_UNIVERSE_LINT0_IRQ (BSP_PCI_IRQ_LOWEST_OFFSET + 7) +#define BSP_PCI_INTB_UNIVERSE_LINT1_IRQ (BSP_PCI_IRQ_LOWEST_OFFSET + 8) +#define BSP_PCI_INTC_UNIVERSE_LINT2_IRQ (BSP_PCI_IRQ_LOWEST_OFFSET + 9) +#define BSP_PCI_INTD_UNIVERSE_LINT3_IRQ (BSP_PCI_IRQ_LOWEST_OFFSET + 10) +#define BSP_UART_COM1_IRQ (BSP_PCI_IRQ_LOWEST_OFFSET + 13) +#define BSP_FRONT_PANEL_ABORT_IRQ (BSP_PCI_IRQ_LOWEST_OFFSET + 14) +#define BSP_RTC_IRQ (BSP_PCI_IRQ_LOWEST_OFFSET + 15) +#else +#define BSP_UART_COM1_IRQ BSP_ISA_UART_COM1_IRQ +#define BSP_UART_COM2_IRQ BSP_ISA_UART_COM2_IRQ +#endif - /* - * Some Processor execption handled as RTEMS IRQ symbolic name definition - */ +/* + * Some Processor execption handled as RTEMS IRQ symbolic name definition + */ #define BSP_DECREMENTER (BSP_PROCESSOR_IRQ_LOWEST_OFFSET) + +/* + * Type definition for RTEMS managed interrupts + */ +typedef unsigned short rtems_i8259_masks; + +extern volatile rtems_i8259_masks i8259s_cache; + +/*-------------------------------------------------------------------------+ +| Function Prototypes. ++--------------------------------------------------------------------------*/ +/* + * ------------------------ Intel 8259 (or emulation) Mngt Routines ------- + */ +void BSP_i8259s_init(void); + +/* + * function to disable a particular irq at 8259 level. After calling + * this function, even if the device asserts the interrupt line it will + * not be propagated further to the processor + * + * RETURNS: 1/0 if the interrupt was enabled/disabled originally or + * a value < 0 on error. + */ +int BSP_irq_disable_at_i8259s (const rtems_irq_number irqLine); +/* + * function to enable a particular irq at 8259 level. After calling + * this function, if the device asserts the interrupt line it will + * be propagated further to the processor + */ +int BSP_irq_enable_at_i8259s (const rtems_irq_number irqLine); +/* + * function to acknowledge a particular irq at 8259 level. After calling + * this function, if a device asserts an enabled interrupt line it will + * be propagated further to the processor. Mainly usefull for people + * writing raw handlers as this is automagically done for RTEMS managed + * handlers. + */ +int BSP_irq_ack_at_i8259s (const rtems_irq_number irqLine); +/* + * function to check if a particular irq is enabled at 8259 level. After calling + */ +int BSP_irq_enabled_at_i8259s (const rtems_irq_number irqLine); + +extern void BSP_rtems_irq_mng_init(unsigned cpuId); +extern void BSP_i8259s_init(void); + +/* Stuff in irq_supp.h should eventually go into <rtems/irq.h> */ +/* #include <bsp/irq_supp.h> */ + #ifdef __cplusplus -} +}; #endif #endif - #endif |